Omnis Studio
Visit the Omnis Studio product page of Tiger Logic, the company which owns and develops Omnis Studio.
Omnis Developers
You can (and should) sign up for the Omnis-dev mailing list. The Omnis developers mailing list is the place to ask questions and learn from others. And it's free! There are over 600 members in five languages on the mailings lists. You must be a member to subscribe. Follow the Mailing List link from the home page.
EurOmnis
A European conference for Omnis developers organized by Fred Brinkman. EurOmnis is normally held in Valkenberg, Netherlands. EurOmnis is one of my favorite events of the year.